<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			
			p{height: 200px; width: 200px; background-color: blueviolet; padding: 10px;}
			#d1,#d2{border: 15px groove red;}
			#d2{box-sizing: border-box;}
		</style>
	</head>
	<body>
		<p id="d1"> 你好</p>
		<p id="d2">你好</p>
		<p id="d3">你好</p>
	</body>
</html>
